Release v1.5.2 on 2021-09-24.

1. 278a6c8 utils: exit(2) on unsupported positional arguments on command line by Harald Welte · 4 years, 6 months ago
2. f7404bb osmo-arfcn: Fix '-h' option by Harald Welte · 4 years, 6 months ago
3. c877251 gsm: Deprecate buggy gsm_arfcn2band API and introduce gsm_arfcn2band_rc by Pau Espin Pedrol · 6 years ago
4. 17518fe doxygen: unify use of \file across the board by Neels Hofmeyr · 7 years ago
5. d0ce550 osmo-arfcn: Return something from the method by Holger Hans Peter Freyther · 11 years ago
6. c44310e utils/osmo-arfcn: Implement option to get ARFCN from frequency by Sylvain Munaut · 11 years ago
7. 6e264ae osmo-arfcn: add support for PCS band by Harald Welte · 12 years ago
8. eeb78dd add new 'osmo-arfcn' program to compute frequency based on arfcn by Harald Welte · 13 years ago